package com.colorfruit.admin.test.design.create.b_sigleton;

public class Singleton {

    private  static volatile Singleton singleton;

    private Singleton(){}

    public static Singleton getInstance(){
        if (singleton == null){
            synchronized (Singleton.class){
                if (singleton == null){
                    singleton = new Singleton();
                }
            }
        }
        return singleton;
    }

}
